名校
解题方法
1 . 若向量
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e116c735d5945248043307eac8d45ce3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14dfa17632f933e0468b8a7864259517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcaa4737bfb1bf1cf73324c2d3f3e0d0.png)
A.![]() | B.4 | C.![]() | D.![]() |
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2023-01-22更新
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1184次组卷
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5卷引用:青海省海东市第三中学2022-2023学年高二上学期12月期中考试数学试题